Comfortable and DurableThe inflatable donut cushion seat is made of high-quality flocked PVC material, which is sturdy, comfortable and durable. The material is soft to the touch and non-slip, ensuring that it stays in place when you sit on it, and it will not hurt your skin or cause allergies, making it a good choice for most people. Please be careful to close the inflation valve when using it to avoid air leakage. Flexible Adjustment and Multi-functional CushionThis inflatable donut cushion is versatile and can be adjusted according to your needs. You can inflate it to the desired hardness, making it suitable for a variety of uses, such as a seat cushion or wheelchair cushion, providing maximum support and comfort to promote good posture and spinal health. It is suitable for most ages and body types and can be used at home, in the office or in the car. Relieve Pressure and PainThe inflatable donut cushion is thickened and widened to provide maximum comfort and support for your hips. It provides good cushioning, helps to evenly distribute weight, relieve pressure and reduce pain in certain parts. Suitable for hemorrhoids, patients with pressure sores, wheelchair users, sedentary people and daily use, it can help you relieve pressure and feel comfortable. Easy to Inflate/DeflateNo matter where you sit, it is important to feel comfortable. This inflatable donut seat cushion is lightweight, foldable, and easy to carry, making it the perfect accessory for traveling. You can quickly inflate it with your mouth or a pump (not included) and it's ready to use in minutes. When you're done using it, simply press the round button in the middle of the inflation port to deflate it, then fold it up for easy storage. Multi-Scene UseWith dimensions of 45.5 x 39 x 11 cm / 17.9" x 15.4" x 4.3", the inflatable donut seat cushion is suitable for most chairs and seats, including airplanes, trains, buses, office chairs, car seats, wheelchairs, stadium seats, and outdoor benches. It's perfect for people who sit for long periods of time and need extra comfort and support.